Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Title of 12(b) Security Title of 12(b) Security Subsequent Event Subsequent Event [Member] Carrying Amount Reported Value Measurement [Member] Equity investments Equity Method Investments [Member] Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation [Line Items] Basis Of Presentation [Line Items] Basis Of Presentation Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Weighted average interest rate (as a percent) Debt, Weighted Average Interest Rate Unsecured Redeemable Senior Notes Maturing Aug 01 2029, Second Unsecured Redeemable Senior Notes Maturing Aug 01 2029, Second [Member] Unsecured Redeemable Senior Notes Maturing Aug 01 2029, Second Adjustment to Compensation, Amount Adjustment to Compensation Amount Financial Instrument [Axis] Financial Instrument [Axis] Other assets Other Assets, Fair Value Disclosure Contributions from (distributions to) other unit holders (members of Holdings) Contributions From (Distributions To) Other Unit Holders (Members) Contributions From (Distributions To) Other Unit Holders (Members) Segment Reporting [Abstract] Advance Facility Line Of Credit Maturing Jul 25 2027 Advance Facility Line Of Credit Maturing Jul 25 2027 [Member] Advance Facility Line Of Credit Maturing Jul 25 2027 Common stock Common Stock, Value, Issued Taxes withheld on team members' restricted share award vesting Payment, Tax Withholding, Share-Based Payment Arrangement Interest expense Interest Expense, Operating and Nonoperating Schedule of Unsecured Senior Notes Schedule of Long-Term Debt Instruments [Table Text Block] Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date MSRs financing liability Mortgage Servicing Rights Financing [Member] Mortgage Servicing Rights Financing Derivative Instrument [Axis] Derivative Instrument [Axis] IRLCs UPB, variable rate Interest Rate Lock Commitments, Unpaid Principal Balance, Variable Rate Interest Rate Lock Commitments, Unpaid Principal Balance, Variable Rate Other expenses Other Noninterest Expense Mortgage servicing rights, at fair value MSRs Fair value, beginning of period Fair value, end of period Servicing Asset at Fair Value, Amount Unsecured Redeemable Senior Notes Maturing June 15 2034 Unsecured Redeemable Senior Notes Maturing June 15 2034 [Member] Unsecured Redeemable Senior Notes Maturing June 15 2034 Unsecured Redeemable Senior Notes Maturing Feb 01 2032, Second Unsecured Redeemable Senior Notes Maturing Feb 01 2032, Second [Member] Unsecured Redeemable Senior Notes Maturing Feb 01 2032, Second Delinquent loans as a percentage of total portfolio (in percent) Servicing Loans, Ratio Of Nonperforming Loans To All Loans Servicing Loans, Ratio Of Nonperforming Loans To All Loans One-time discretionary payments Business Combination, Separately Recognized Transaction, One-Time Discretionary Payments Business Combination, Separately Recognized Transaction, One-Time Discretionary Payments Amendment Flag Amendment Flag Consolidated Entities [Axis] Consolidated Entities [Axis] Goodwill [Line Items] Goodwill [Line Items] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Investment securities Securities Investment [Member] Developed technology and other Developed Technology Rights [Member] Property and equipment Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment Change in controlling interest of investment, net Stock Exchanged During The Period, Increase (Decrease) Net Of Tax And Tax Receivable Agreement Liability, Amount Stock Exchanged During The Period, Increase (Decrease) Net Of Tax And Tax Receivable Agreement Liability, Amount Disbursements of mortgage loans held for sale Payment for Origination, Loan, Mortgage, Held-for-Sale (Payments to) proceeds from consolidated CFE, net Proceeds From (Payments To) Mortgage Serving Rights Financing Liability Proceeds From (Payments To) Mortgage Serving Rights Financing Liability Master Repurchase Agreement Due Nov 18 2026 Master Repurchase Agreement Due Nov 18 2026 [Member] Master Repurchase Agreement Due Nov 18 2026 Consolidated Entities [Domain] Consolidated Entities [Domain] Early Funding Facility, One Early Funding Facility, Evergreen Agreement, One [Member] Early Funding Facility, Evergreen Agreement, One Transactions with Related Parties Related Party Transactions Disclosure [Text Block] Changes to MSR Assets Servicing Asset at Fair Value, Amount [Roll Forward] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Entity Address, State or Province Entity Address, State or Province PEO Total Compensation Amount PEO Total Compensation Amount Cumulative translation adjustment Cumulative translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Assets: Assets, Fair Value Disclosure [Abstract] Intangible assets, net of accumulated amortization Intangible Asset, Excluding Goodwill, after Accumulated Amortization Interest expense Interest Expense, Operating And Nonoperating, Adjusted Interest Expense, Operating And Nonoperating, Adjusted Personal Loans Held for Sale Maturing December 2026 Personal Loans Held for Sale Maturing December 2026 [Member] Personal Loans Held for Sale Maturing December 2026 Notional Value Derivative, Notional Amount Basic (in shares) Weighted average shares of Participating Common Stock outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Master Repurchase Agreement Due July 24, 2026 Master Repurchase Agreement Due July 24, 2026 [Member] Master Repurchase Agreement Due July 24, 2026 Schedule of Related Party Transactions Schedule of Related Party Transactions [Table Text Block] Secured financing Secured Debt Committed Line Amount Line Of Credit Facility, Committed Amount Line Of Credit Facility, Committed Amount Transfers in Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases And Issues Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases And Issues Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Transfers out/principal reductions Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales And Settlements Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales And Settlements Number of reportable segments Number of Reportable Segments Revolving credit facility maturing July 16 2029 Revolving Credit Facility Maturing July 16 2029 [Member] Revolving Credit Facility Maturing July 16 2029 Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Subsequent Events Subsequent Events, Policy [Policy Text Block] Entity Address, City or Town Entity Address, City or Town Marketing and advertising expenses Marketing And Advertising Expense, Adjusted Marketing And Advertising Expense, Adjusted Master Repurchase Agreement Due September 03 2027 Master Repurchase Agreement Due September 03 2027 [Member] Master Repurchase Agreement Due September 03 2027 Mortgage Loans Held for Sale Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Receivables [Abstract] Statement of Financial Position [Abstract] MSRs sales Servicing Asset at Fair Value, Disposals Revision of Prior Period, Reclassification, Adjustment One Revision of Prior Period, Reclassification, Adjustment One [Member] Revision of Prior Period, Reclassification, Adjustment One Other expenses Other Noninterest Expense, Adjusted Other Noninterest Expense, Adjusted Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] MSRs Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Mortgage Servicing Rights Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Mortgage Servicing Rights Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Master Repurchase Agreement Due Mar 26 2027 Master Repurchase Agreement Due Mar 26 2027 [Member] Master Repurchase Agreement Due Mar 26 2027 Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Master Repurchase Agreement Due Sept 16 2027 Master Repurchase Agreement Due Sept 16 2027 [Member] Master Repurchase Agreement Due Sept 16 2027 Level 2 Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Line Amount Line of Credit Facility, Maximum Borrowing Capacity Schedule of Changes to MSR Assets Schedule of Servicing Assets at Fair Value [Table Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Financial Asset, Equal to or Greater than 90 Days Past Due Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Minimum adjusted net worth balance Banking Regulation, Mortgage Banking, Net Worth, Minimum Change in fair value of MSR hedge Servicing Asset at Fair Value, Other Changes that Affect Balance License License [Member] Weighted average shares outstanding Weighted Average Number Of Shares Outstanding, Basic And Diluted [Abstract] Weighted Average Number Of Shares Outstanding, Basic And Diluted Advance Facility Line Of Credit Maturing Dec 1 2027 Advance Facility Line Of Credit Maturing Dec 1 2027 [Member] Advance Facility Line Of Credit Maturing Dec 1 2027 Due to changes in valuation model inputs or assumptions Servicing Asset at Fair Value, Changes in Fair Value Resulting from Changes in Valuation Inputs or Changes in Assumptions Proceeds from sale of mortgage loans held for sale Proceeds from Sale, Loan, Mortgage, Held-for-Sale Subsequent Event Type [Axis] Subsequent Event Type [Axis] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Revision of Prior Period, Reclassification, Adjustment Revision of Prior Period, Reclassification, Adjustment [Member] Zillow, Inc Zillow, Inc [Member] Zillow, Inc Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Accounting Standards Issued but Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Unsecured Redeemable Senior Notes Maturing Oct 15 2026 Unsecured Redeemable Senior Notes Maturing Oct 15 2026 [Member] Unsecured Redeemable Senior Notes Maturing Oct 15 2026 Mortgage Serving Rights Line Of Credit Maturing Jun 27 2027 Mortgage Serving Rights Line Of Credit Maturing Jun 27 2027 [Member] Mortgage Serving Rights Line Of Credit Maturing Jun 27 2027 Schedule of Key Operating Data for Business Segments Segment Reporting [Table Text Block] Total Non-controlling Interest Noncontrolling Interest [Member] 200 BPS Adverse Change Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor, Servicing Assets Or Liabilities, Impact Of 200 Basis Point Adverse Change In Discount Rate Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor, Servicing Assets Or Liabilities, Impact Of 200 Basis Point Adverse Change In Discount Rate Management Estimates Use of Estimates, Policy [Policy Text Block] Related Party [Axis] Related and Nonrelated Parties [Axis] Unsecured Senior Notes Unsecured Debt [Member] Schedule of Reconciliation of Level 3 Liabilities Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Total Senior Notes, net Long-Term Debt Disbursements of mortgage loans held for sale Financing Receivable, Held-for-Sale, Not Part of Disposal Group, Reconciliation to Cash Flow, Addition to Held-for-Sale Customer relationships Customer-Related Intangible Assets [Member] Supplemental Disclosures of Non-cash Investing Activities Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Document Period End Date Document Period End Date Personal Loans Held for Sale Maturing November 21 2028 Personal Loans Held for Sale Maturing November 21 2028 [Member] Personal Loans Held for Sale Maturing November 21 2028 Change in assets and liabilities Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Change in fair value of MSRs, net Mortgage Servicing Rights (MSR) Impairment (Recovery) Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Cash pledged from counterparties Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset Preferred stock, outstanding (in shares) Preferred Stock, Shares Outstanding MSR related liabilities - nonrecourse, at fair value Mortgage Serving Rights Liability, Carried at Fair Value Mortgage Serving Rights Liability, Carried at Fair Value Expenses Expenses Costs and Expenses [Abstract] Security Exchange Name Security Exchange Name Facility term (in months) Debt Instrument, Term Mortgage Serving Rights Line of Credit Maturing APR 01 2027 Mortgage Serving Rights Line Of Credit Maturing Apr 01 2027 [Member] Mortgage Serving Rights Line Of Credit Maturing Apr 01 2027 Total liabilities Liabilities, Fair Value Disclosure Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Total (losses) gains included in Net income (loss) for assets held at the end of the reporting period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Mortgage loans held for sale average holding period Loans Receivable Held For Sale, Average Holding Period Loans Receivable Held For Sale, Average Holding Period Assets of the consolidated CFE Assets of the consolidated CFE Assets Of The Consolidated CFE [Member] Assets Of The Consolidated CFE Mortgages Mortgages [Member] Timing option for extending facility (in months) Debt Instrument, Time Frame For Extension Option Debt Instrument, Time Frame For Extension Option Earnings Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Earnings (loss) per share of Participating Common Stock Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Loans subject to repurchase right from Ginnie Mae Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Repurchase Right from Liabilities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Repurchase Right from Liabilities Schedule of Weighted Average Number of Shares Schedule of Weighted Average Number of Shares [Table Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] MSR and advance facilities Mortgage Servicing Rights Facility [Member] Mortgage Servicing Rights Facility Total liabilities Liabilities Trading Symbol Trading Symbol Variable Interest Entities and Consolidation of the Collateralized Financing Entity and Nonconsolidated Variable Interest Entities Consolidation, Variable Interest Entity, Policy [Policy Text Block] Discount rate Measurement Input, Discount Rate [Member] Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] Purchase of property and equipment, net of disposals Payments to Acquire Property, Plant, and Equipment Change in Unrecognized Tax Benefit, Reasonably Possible [Table] Change in Unrecognized Tax Benefit, Reasonably Possible [Table] Contractually specified servicing fees Contractually Specified Servicing Fees, Amount, Gross Contractually Specified Servicing Fees, Amount, Gross Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Master Repurchase Agreement Due Dec 23 2026 Master Repurchase Agreement Due Dec 23 2026 [Member] Master Repurchase Agreement Due Dec 23 2026 Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Schedule of Preliminary Purchase Price Allocation and Identifiable Intangible Assets Acquired Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Company Selected Measure Name Company Selected Measure Name Realized losses Loan Representation And Warranty Reserve, Realized Losses Loan Representation And Warranty Reserve, Realized Losses Schedule of Restrictions on Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] 20% Adverse Change Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 20 Percent Adverse Change in Prepayment Speed Income Tax Disclosure [Abstract] Master Repurchase Agreement , Mortgage Loans Held for Sale 2 Master Repurchase Agreement, Mortgage Loans Held For Sale 2 [Member] Master Repurchase Agreement, Mortgage Loans Held For Sale 2 Mortgage Serving Rights Line of Credit Maturing 2 Mortgage Serving Rights Line Of Credit Maturing 2 [Member] Mortgage Serving Rights Line Of Credit Maturing Nov 17 2027 Other ancillary income Other Ancillary Fee Income Generated By Servicing Financial Assets, Amount Other Ancillary Fee Income Generated By Servicing Financial Assets, Amount Derivative liabilities, at fair value Derivative Liability Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value Total Senior Notes Long-Term Debt, Gross Contribution margin Gross Profit, Net Of MSR Adjustment Due To Valuation Assumptions Gross Profit, Net Of MSR Adjustment Due To Valuation Assumptions Commitment fees (in percent) Line of Credit Facility, Commitment Fee Percentage Credit Facility [Domain] Credit Facility [Domain] Asset Class [Domain] Asset Class [Domain] Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Schedule of Loan Servicing Income, Net Management of Risks Inherent in Servicing Assets and Servicing Liabilities [Table Text Block] Related Party Transactions [Abstract] Operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Unpaid principal balance Financing Receivable, Nonaccrual Personal Loans Held for Sale Maturing March 27 2028 Personal Loans Held for Sale Maturing March 27 2028 [Member] Personal Loans Held for Sale Maturing March 27 2028 Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Percentage of business acquired Business Combination, Voting Equity Interest Acquired, Percentage Diluted (in shares) Weighted average shares of Participating Common Stock outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Common stock dividend paid (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Net identifiable assets acquired Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) Derivative Financial Instruments Derivatives, Policy [Policy Text Block] Line of Credit Facility [Table] Line of Credit Facility [Table] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Provision for (benefit from) deferred income taxes Deferred Income Taxes and Tax Credits Derivative Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Rocket Companies Inc. Rocket Companies Inc. [Member] Rocket Companies Inc. Tax deductible goodwill Business Combination, Goodwill, Expected Tax Deductible, Amount Notes receivable and due from affiliates Other Receivables Schedule of Reconciliation of Level 3 Assets Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Goodwill Goodwill [Text Block] Cash, Cash Equivalents and Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Derivative activity Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments Transfers out/principal reductions Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales And Settlements Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales And Settlements Assets and Liabilities of the consolidated CFE Assets and Liabilities of the Consolidated CFE, Measurement Input Assets and Liabilities of the Consolidated CFE, Measurement Input Award Timing Predetermined Award Timing Predetermined [Flag] Real Estate Brokerage Real Estate Brokerage [Member] Real Estate Brokerage Intangible Asset, Goodwill and Other [Abstract] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Share-based compensation, net APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Level 1 Fair Value, Inputs, Level 1 [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] Conversion ratio Debt Instrument, Convertible, Conversion Ratio Transfers and Servicing [Abstract] Schedule of Fair Value Option for Mortgage Loans Held For Sale Fair Value Option, Disclosures [Table Text Block] Schedule of Discount Rate and Prepayment Speeds at Two Different Data Points Schedule of Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets [Table Text Block] Add: Dilutive impact of share-based compensation awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Excess spread financing UPB, fair value disclosure Excess Spread Financing UPB, Fair Value Disclosure Excess Spread Financing UPB, Fair Value Disclosure Unsecured Redeemable Senior Notes Maturing Mar 01 2029 Unsecured Redeemable Senior Notes Maturing Mar 01 2029 [Member] Unsecured Redeemable Senior Notes Maturing Mar 01 2029 All Executive Categories All Executive Categories [Member] Convertible note Convertible Notes [Member] Convertible Notes IRLCs IRLCs, net of loan funding probability Interest Rate Lock Commitments [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Gain on sale of mortgage loans excluding fair value of other financial instruments, net Financing Receivable, Held-for-Sale, Not Part of Disposal Group, Reconciliation to Cash Flow, Gain On Sale Excluding Other Financial Instrument Financing Receivable, Held-for-Sale, Not Part of Disposal Group, Reconciliation to Cash Flow, Gain On Sale Excluding Other Financial Instrument Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Antidilutive Securities [Axis] Antidilutive Securities [Axis] Derivative assets Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Derivative Assets Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Derivative Assets Schedule of Calculation of Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Total consideration transferred Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Minimum liquidity Banking Regulation, Mortgage Banking, Minimum Liquidity Banking Regulation, Mortgage Banking, Minimum Liquidity Segments Segment Reporting [Text Block] Outstanding Balance Long-Term Line of Credit Minimum Minimum [Member] Loans subject to repurchase right from Ginnie Mae Loans Subject To Repurchase Right, Liability Loans Subject To Repurchase Right, Liability Expiration Date Trading Arrangement Expiration Date Mortgage Servicing Right Mortgage Servicing Right [Member] Mortgage Servicing Right Liabilities Liabilities [Abstract] Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Effects of exchange rate changes on Cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Restricted cash Restricted Cash and Cash Equivalent Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Money market funds Cash and Cash Equivalents, Fair Value Disclosure Total equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] IRLCs Derivative Asset, Measurement Input Loan servicing income Loan Servicing Income Statement [Abstract] Loan Servicing Income Statement Mortgage Serving Rights Line of Credit Maturing Apr 02 2027 Mortgage Serving Rights Line Of Credit Maturing Apr 02 2027 [Member] Mortgage Serving Rights Line Of Credit Maturing Apr 02 2027 Net proceeds from sale of MSRs Proceeds from Sale of Mortgage Servicing Rights (MSR) Business Combination [Line Items] Business Combination [Line Items] Unsecured financing, net Unsecured Debt Non-mortgage loans servicing rights Non-Mortgage Loans - Servicing Rights [Member] Non-Mortgage Loans - Servicing Rights Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Derivative [Table] Derivative [Table] Annual default rate Measurement Input, Default Rate [Member] Jay Bray [Member] Jay Bray Stock issuance, net Proceeds from Issuance of Common Stock Common stock authorized (in shares) Common Stock, Shares Authorized Numerator: Earnings Per Share Reconciliation [Abstract] Loans subject to repurchase right from Ginnie Mae Loans Subject To Repurchase Right, Asset Loans Subject To Repurchase Right, Asset Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Mortgage Serving Rights Line of Credit Maturing Jul 20 2027 Mortgage Serving Rights Line Of Credit Maturing Jul 20 2027 [Member] Mortgage Serving Rights Line Of Credit Maturing Jul 20 2027 Difference Fair Value, Option, Aggregate Differences, Loans and Long-Term Receivables Balance at beginning of period Balance at end of period Loan Representation And Warranty Reserve Loan Representation And Warranty Reserve Exercise Price Award Exercise Price Investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Segment Reporting [Line Items] Segment Reporting [Line Items] Net income (loss) Business Combination, Pro Forma Information, Pro Forma Income (Loss), after Tax Excess spread financing Excess-spread financing Excess Spread Financing [Member] Excess Spread Financing Document Quarterly Report Document Quarterly Report Subservicing income Contractually Specified Subservicing Income Generated By Servicing Financial Assets, Amount Contractually Specified Subservicing Income Generated By Servicing Financial Assets, Amount Prepayment Speeds Prepayment Speeds [Abstract] Prepayment Speeds Due to collection/realization of cash flows Servicing Asset at Fair Value, Other Changes in Fair Value Derivative assets: Derivative Asset [Abstract] Minimum risk based capital ratio, servicing portfolio exceeds Minimum Risk Based Capital Ratio, Servicing Portfolio Threshold Minimum Risk Based Capital Ratio, Servicing Portfolio Threshold Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segments [Domain] Segments [Domain] Mortgage Banking [Abstract] IRLCs UPB, fixed rate Interest Rate Lock Commitments, Unpaid Principal Balance, Fixed Rate Interest Rate Lock Commitments, Unpaid Principal Balance, Fixed Rate Borrowings Debt Disclosure [Text Block] Real Estate Exchange Revenue Real Estate Exchange Revenue [Member] Real Estate Exchange Revenue Derivative liabilities: Derivative Liability [Abstract] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Business Combination [Table] Business Combination [Table] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Total (losses) gains included in Net income (loss) for assets held at the end of the reporting period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Measurement Input Type [Domain] Measurement Input Type [Domain] Subscription Revenue Subscription Revenue [Member] Subscription Revenue Secured financing Secured Debt [Member] Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Special Dividends to Class A Shareholders, net of forfeitures Dividends, Common Stock, Cash (Return Of Capital) Dividends, Common Stock, Cash (Return Of Capital) Balance at the beginning of period Balance at the end of period Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance Total expenses Costs and Expenses Adoption Date Trading Arrangement Adoption Date Interest Rate Debt Instrument, Interest Rate, Stated Percentage Counterparty Name [Domain] Counterparty Name [Domain] Personal Loans Held for Sale Maturing August 19 2027 Personal Loans Held for Sale Maturing August 19 2027 [Member] Personal Loans Held for Sale Maturing August 19 2027 Change in valuation model inputs or assumptions for MSRs and related liabilities Servicing Asset At Fair Value, Changes In Fair Value And Liabilities Resulting From Changes in Valuation Inputs Or Changes In Assumptions Servicing Asset At Fair Value, Changes In Fair Value And Liabilities Resulting From Changes in Valuation Inputs Or Changes In Assumptions Other assets Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent Liabilities Transfers Accounted For As Secured Borrowings, Associated Liabilities [Abstract] Transfers Accounted For As Secured Borrowings, Associated Liabilities Mortgage loans held for sale Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance, Reconciliation to Cash Flow [Roll Forward] Assets Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Average number of days until expiration of interest rate lock commitments (in days) Derivative, Average Remaining Maturity Insider Trading Policies and Procedures [Line Items] Loans subject to repurchase right from Ginnie Mae Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Repurchase Right from Assets Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Repurchase Right from Assets Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Liabilities of the consolidated CFE Liabilities Of The Consolidated CFE [Member] Liabilities Of The Consolidated CFE PSUs Performance Shares [Member] Schedule of Unsecured Financing, Net Schedule of Line of Credit Facilities [Table Text Block] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Liabilities of the consolidated CFE Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Unsecured Redeemable Senior Notes Maturing Jan 15 2028 Unsecured Redeemable Senior Notes Maturing Jan 15 2028 [Member] Unsecured Redeemable Senior Notes Maturing Jan 15 2028 Net payments on notes payable from unconsolidated affiliates Proceeds from (Repayments of) Related Party Debt Business Combination [Domain] Business Combination [Domain] MSRs Servicing Asset, Measurement Input Non-mortgage loans held for sale Non-Mortgage Loans Held for Sale Non-Mortgage Loans Held For Sale [Member] Non-Mortgage Loans Held For Sale Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Rocket Limited Partnership Rocket Limited Partnership [Member] Rocket Limited Partnership Antidilutive securities excluded from computation of diluted EPS (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Settlement fund Estimated Litigation Liability Financial Asset, Aging [Domain] Financial Asset, Aging [Domain] RSUs Restricted Stock Units (RSUs) [Member] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Entity Central Index Key Entity Central Index Key Weighted Average Weighted Average [Member] Real Estate Partner Revenue Real Estate Partner Revenue [Member] Real Estate Partner Revenue Mortgage Serving Rights Line Of Credit Maturing Jul 17 2027 Mortgage Serving Rights Line Of Credit Maturing Jul 17 2027 [Member] Mortgage Serving Rights Line Of Credit Maturing Jul 17 2027 Property and equipment, accumulated depreciation and amortization Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Special dividend paid Dividends, Common Stock, Stock All Adjustments to Compensation All Adjustments to Compensation [Member] All Other Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Other operating activities Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item Business Combination [Axis] Business Combination [Axis] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Master Repurchase Agreement Due July 12, 2026 Master Repurchase Agreement Due July 12, 2026 [Member] Master Repurchase Agreement Due July 12, 2026 Income Taxes Income Tax, Policy [Policy Text Block] Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Transfers in Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases And Issues Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases And Issues Unsecured Redeemable Senior Notes Maturing Mar 01 2031 Unsecured Redeemable Senior Notes Maturing Mar 01 2031 [Member] Unsecured Redeemable Senior Notes Maturing Mar 01 2031 Income Statement [Abstract] Document Transition Report Document Transition Report Ownership [Axis] Ownership [Axis] Personal Loans Held for Sale Maturing December 26 2028 Personal Loans Held for Sale Maturing December 26 2028 [Member] Personal Loans Held for Sale Maturing December 26 2028 Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Entity Listings [Line Items] Entity Listings [Line Items] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Excess-spread financing Excess-Spread Financing, Measurement Input Excess-Spread Financing, Measurement Input Mortgage Serving Rights Line Of Credit Maturing Jun 25 2027 Mortgage Serving Rights Line Of Credit Maturing Jun 25 2027 [Member] Mortgage Serving Rights Line Of Credit Maturing Jun 25 2027 Basis spread on variable rate (as percent) Debt Instrument, Basis Spread on Variable Rate City Area Code City Area Code Business Combination, Consideration Transferred, Equity Interest, Type [Axis] Business Combination, Consideration Transferred, Equity Interest, Type [Axis] All Individuals All Individuals [Member] Name Forgone Recovery, Individual Name Servicing asset, fair value, change in fair value, other, statement of income or comprehensive income [ Extensible Enumeration] Servicing Asset, Fair Value, Change in Fair Value, Other, Statement of Income or Comprehensive Income [Extensible Enumeration] Reconciliation of Level 3 Assets: Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Entity Listings [Table] Entity Listings [Table] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Rocket Class A common stock issued to acquiree stockholders Business Combination, Consideration Transferred, Equity Interest Statement [Line Items] Statement [Line Items] Total assets Assets Entity [Domain] Entity [Domain] Early Funding Facility, Two Early Funding Facility, Evergreen Agreement, Two [Member] Early Funding Facility, Evergreen Agreement, Two Preferred stock, issued (in shares) Preferred Stock, Shares Issued (Benefit from) provision for investor reserves Loan Representation And Warranty Reserve, Provision Loan Representation And Warranty Reserve, Provision IRLCs, LPCs and Pipeline hedges Interest Rate Lock Commitments, Loan Purchase Commitments, And Pipeline [Member] Interest Rate Lock Commitments, Loan Purchase Commitments, And Pipeline Reportable segments Operating Segments [Member] Mortgage loans held for sale, at fair value Mortgage loans held for sale Fair Value Loan, Mortgage, Held-for-Sale, Fair Value Disclosure TMSPP Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan Total liabilities assumed Business Combination, Recognized Liability Assumed, Liability Collection/realization of cash flows Servicing Asset At Fair Value, Collection And Realization Of Cash Flow Servicing Asset At Fair Value, Collection And Realization Of Cash Flow Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Other assets Increase (Decrease) in Other Operating Assets PEO PEO [Member] Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Schedule of Assets and Associated Liabilities Accounted for as Secured Borrowings Schedule of Assets and Associated Liabilities Accounted for as Secured Borrowings [Table Text Block] Measurement Basis [Axis] Measurement Basis [Axis] Goodwill Goodwill Goodwill Minimum risk based capital ratio, and capital leverage ratio Minimum Risk Based Capital Ratio, And Capital Leverage Ratio Minimum Risk Based Capital Ratio, And Capital Leverage Ratio Closing Fees Closing Fees [Member] Closing Fees Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Issuance of Class A common stock upon exercise of stock options (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Variable Interest Entities Variable Interest Entities and Securitizations [Text Block] Variable Interest Entities and Securitizations Subsequent Event Type [Domain] Subsequent Event Type [Domain] Retained Earnings Retained Earnings [Member] Revolving Credit Facility Revolving Credit Facility [Member] Money market funds Money Market Funds [Member] Revision of Prior Period [Domain] Revision of Prior Period [Domain] Cash and cash equivalents Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Schedule of Quantitative Information About Fair Value Measurements of Level 3 Financial Instruments Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Payment of debt issuance costs Payments of Debt Issuance Costs Diluted (in dollars per share) Earnings (loss) per share of Participating Common Stock outstanding - diluted (in dollars per share) Earnings Per Share, Diluted Master Repurchase Agreement Due May 26 2028 Master Repurchase Agreement Due May 26 2028 [Member] Master Repurchase Agreement Due May 26 2028 Entity Current Reporting Status Entity Current Reporting Status Net cash (used in) provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Taxes withheld on team members' restricted share award vesting Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Advance Facility Line Of Credit Maturing May 26 2028 Advance Facility Line Of Credit Maturing May 26 2028 [Member] Advance Facility Line Of Credit Maturing May 26 2028 Liabilities: Liabilities, Fair Value Disclosure [Abstract] Tax distributions to holders of holdings units Payments Of Tax Distributions To Unit Holders Payments Of Tax Distributions To Unit Holders Damages paid Loss Contingency, Damages Paid, Value Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Cost to service per loan Measurement Input, Cost To Service Per Loan [Member] Measurement Input, Cost To Service Per Loan Change in controlling interest of investment, net (in shares) Stock Exchanged During The Period, Increase (Decrease) Net Of Tax And Tax Receivable Agreement Liability, Shares Stock Exchanged During The Period, Increase (Decrease) Net Of Tax And Tax Receivable Agreement Liability, Shares Voting and economic interest (in percent) Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest Ownership [Domain] Ownership [Domain] Schedule of Pro Forma Information Business Combination, Pro Forma Information [Table Text Block] Subscription contract, minimum (in month) Revenue Recognition, Customer Contract Period, Minimum Revenue Recognition, Customer Contract Period, Minimum Adjustments to reconcile Net income (loss) to Net cash provided by (used in) operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Total assets acquired Business Combination, Recognized Asset Acquired, Asset Commitments and Contingencies Commitments Contingencies and Guarantees [Text Block] Revenue from contract with customer Revenue from Contract with Customer, Excluding Assessed Tax Financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Property and equipment, net of accumulated depreciation of $757 and $695, respectively Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Table] Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Table] Financial Instruments [Domain] Financial Instruments [Domain] Derivative assets Derivative Asset Other income Revenue Other income Other Income Business combination, pre-combination services Business Combination, Consideration Transferred, Equity Interests Issuable Business Combination, Consideration Transferred, Equity Interests Issuable OAS Discount Rate [Abstract] Discount Rate Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Issuance of Class A common stock upon exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] General and administrative expenses General And Administrative Expense, Adjusted General And Administrative Expense, Adjusted Master Repurchase Agreement Due December 17 2027 Master Repurchase Agreement Due December 17 2027 [Member] Master Repurchase Agreement Due December 12 2027 Underlying Securities Award Underlying Securities Amount Comprehensive loss (income) attributable to non-controlling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Estimated Fair Value Estimate of Fair Value Measurement [Member] Regulatory Minimum Net Worth, Capital Ratio and Liquidity Requirements Regulatory Capital Requirements for Mortgage Companies Disclosure [Text Block] MSR hedges Mortgage Servicing Rights [Member] Mortgage Servicing Rights Class D Common Stock Common Class D [Member] Common Class D Advance receivables, net of reserves and discount of $135 and $120, respectively Advances Receivables, Net Advances Receivables, Net Treasury futures Treasury Futures [Member] Treasury Futures Derivative liabilities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Derivative liabilities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Derivative liabilities Other investing activities Payment for (Proceeds from) Other Investing Activity Master Repurchase Agreement Due June 11 2027 Master Repurchase Agreement Due June 11 2027 2 [Member] Master Repurchase Agreement Due June 11 2027 2 MSRs purchases Servicing Asset At Fair Value, Additions, Purchases Servicing Asset At Fair Value, Additions, Purchases Total liabilities Transfers Accounted for as Secured Borrowings, Associated Liabilities, Carrying Amount Segment Reporting [Table] Segment Reporting [Table] Related Party Transaction [Table] Related Party Transaction [Table] Unsecured Redeemable Senior Notes Maturing Aug 01 2031 Unsecured Redeemable Senior Notes Maturing Aug 01 2031 [Member] Unsecured Redeemable Senior Notes Maturing Aug 01 2031 Advance Facility Line Of Credit Maturing Jul 12 2026 Advance Facility Line Of Credit Maturing Jul 12 2026 [Member] Advance Facility Line Of Credit Maturing Jul 12 2026 Credit losses due to nonperformance of counterparty Provision for Other Credit Losses Total Secured Financing Funding Facility [Member] Funding Facility Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Schedule of Financial Statement Items Measured at Estimated Fair Value on a Recurring Basis Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Transaction costs Business Combination, Separately Recognized Transaction, Acquisition-Related Cost, Expensed Current Fiscal Year End Date Current Fiscal Year End Date Schedule of Investor Reserves Activity Schedule Of Investor Reserves Activity [Table Text Block] Schedule Of Investor Reserves Activity Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Derivative [Line Items] Derivative [Line Items] Acquisitions Business Combination [Text Block] Total Senior Notes, net Notes Payable, Fair Value Disclosure Gain on sale of loans excluding fair value of originated MSRs, net Gain on sale of loans excluding fair value of originated MSRs, net Gain (​Loss​) On​ Sales ​Of ​Loans​, Excluding Fair Value Of Mortgage Servicing Rights, Net Gain (​Loss​) On​ Sales ​Of ​Loans​, Excluding Fair Value Of Mortgage Servicing Rights, Net Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Common stock dividend declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Special Dividends to Class A Shareholders, net of forfeitures Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Servicing fee income Servicing fee income Servicing fee income Contractually Specified Servicing Fees, Amount Unsecured Redeemable Senior Notes Maturing Aug 01 2029, First Unsecured Redeemable Senior Notes Maturing Aug 01 2029, First [Member] Unsecured Redeemable Senior Notes Maturing Aug 01 2029, First Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Common stock issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Advance facility Advance Facility [Member] Advance Facility Unsecured Redeemable Senior Notes Maturing Dec 15 2030 Unsecured Redeemable Senior Notes Maturing Dec 15 2030 [Member] Unsecured Redeemable Senior Notes Maturing Dec 15 2030 Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Schedule of IRLC Unpaid Principal Balance Schedule of Guarantor Obligations [Table Text Block] Forward commitments Forward commitements Forward Contracts [Member] Total adjustments Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity Equity Components [Axis] Equity Components [Axis] Related Party Related Party [Member] Product and Service [Domain] Product and Service [Domain] Investor Reserves Movement In Loan Representation And Warranty Reserve [Roll Forward] Movement In Loan Representation And Warranty Reserve Funding facilities and other financing facilities Funding Facilities And Other Financing Facilities [Member] Funding Facilities And Other Financing Facilities Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Direct to Consumer Segment Direct To Consumer Segment [Member] Direct To Consumer Segment Class A common shares Common Class A [Member] 100 BPS Adverse Change Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor, Servicing Assets Or Liabilities, Impact Of 100 Basis Point Adverse Change In Discount Rate Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor, Servicing Assets Or Liabilities, Impact Of 100 Basis Point Adverse Change In Discount Rate Fair value of originated MSRs Fair value of originated MSRs Mortgage Servicing Right, Fair Value On Origination Mortgage Servicing Right, Fair Value On Origination Entity Interactive Data Current Entity Interactive Data Current Net loss (income) attributable to non-controlling interest Net loss (income) attributable to non-controlling interest Net Income (Loss) Attributable to Noncontrolling Interest Gain on sale of loans Gain (Loss) on Sales of Loans, Net [Abstract] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] 10% Adverse Change Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 10 Percent Adverse Change in Prepayment Speed Mortgage loans held for sale Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Mortgage Loans Held For Sale Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Mortgage Loans Held For Sale Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] UPB Mortgages Held-for-sale, Unpaid Principal Balance Mortgages Held-for-sale, Unpaid Principal Balance Entity Small Business Entity Small Business Comprehensive income (loss) attributable to Rocket Companies Comprehensive Income (Loss), Net of Tax, Attributable to Parent Marketing and advertising expenses Marketing and Advertising Expense Termination Date Trading Arrangement Termination Date Change in fair value of MSRs and related liabilities due to valuation assumptions (net of hedges) Change in fair value of MSRs and related liabilities due to valuation assumptions (net of hedges) Mortgage Servicing Rights (MSR), Loss (Gain) Due To Change In Fair Value Valuation Assumptions Mortgage Servicing Rights (MSR), Loss (Gain) Due To Change In Fair Value Valuation Assumptions Useful Life Intangible Asset, Finite-Lived, Acquired, Weighted-Average Amortization Period Noncontrolling Interest [Table] Noncontrolling Interest [Table] Mortgage Serving Rights Line of Credit Maturing 1 Mortgage Serving Rights Line Of Credit Maturing 1 [Member] Mortgage Serving Rights Line Of Credit Maturing 1 Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Intangible assets Fair Value Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Accrued and unpaid interest Debt Instrument, Increase, Accrued Interest Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Interest income Interest Income (Expense), Operating MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Master Repurchase Agreement Due May 27 2026 Master Repurchase Agreement Due May 27 2027 [Member] Master Repurchase Agreement Due May 27 2027 Document Type Document Type Master Repurchase Agreement Due July 10, 2026 Master Repurchase Agreement Due July 10, 2026 [Member] Master Repurchase Agreement Due July 10, 2026 Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Other liabilities: Other Liabilities [Abstract] Fair Value as of Grant Date Award Grant Date Fair Value Goodwill [Table] Goodwill [Table] Reserves and discounts Advances Receivables, Reserves And Discounts Advances Receivables, Reserves And Discounts Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Consolidation Items [Axis] Consolidation Items [Axis] Total changes in fair value Servicing Asset at Fair Value, Changes in Fair Value Servicing Asset at Fair Value, Changes in Fair Value Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Revision of Prior Period, Reclassification, Adjustment Two Revision of Prior Period, Reclassification, Adjustment Two [Member] Revision of Prior Period, Reclassification, Adjustment Two Salaries, commissions and team member benefits Labor And Related Expense, Adjusted Labor And Related Expense, Adjusted Disbursements of non-mortgage loans held for sale Payment for Purchase, Loan, Other, Held-for-Sale Income (loss) before income taxes Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Schedule of Liabilities not Recorded at Fair Value on a Recurring or Nonrecurring Basis Fair Value Disclosure of Asset and Liability Not Measured at Fair Value [Table Text Block] Fair value of originated MSRs Servicing Asset At Fair Value, Additions, Originations Servicing Asset At Fair Value, Additions, Originations MRA Funding Master Repurchase Agreement Funding [Member] Master Repurchase Agreement Funding Master Repurchase Agreement , Mortgage Loans Held for Sale1 Master Repurchase Agreement, Mortgage Loans Held For Sale 1 [Member] Master Repurchase Agreement, Mortgage Loans Held For Sale 1 Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Unsecured Redeemable Senior Notes Maturing Nov 15 2031 Unsecured Redeemable Senior Notes Maturing Nov 15 2031 [Member] Unsecured Redeemable Senior Notes Maturing Nov 15 2031 Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Unpaid principal balance retained Servicing Assets, Unpaid Principal Balance Retained Servicing Assets, Unpaid Principal Balance Retained Change in fair value of MSRs, net Change in fair value of MSRs, net Change in fair value of MSRs, net Mortgage Servicing Rights (MSR), Change In Fair Value Mortgage Servicing Rights (MSR), Change In Fair Value Excess spread financing, at fair value Excess Spread Financing Fair Value Disclosure Excess Spread Financing Fair Value Disclosure Other assets: Other Assets [Abstract] Consolidated CFE Consolidated Collateralized Financing Entity [Member] Consolidated Collateralized Financing Entity Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Changes in fair value Servicing Asset at Fair Value, Changes in Fair Value Resulting from Changes in Valuation Inputs or Changes in Assumptions [Abstract] Non-Controlling Interest Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block] Executive Category: Executive Category [Axis] Early funding facilities Secured Debt, Other Total revenue, net Revenues, Net of Interest Expense Master Repurchase Agreement Due November 27 2026 Master Repurchase Agreement Due November 27 2026 [Member] Master Repurchase Agreement Due November 27 2026 Counterparty Name [Axis] Counterparty Name [Axis] Liabilities and equity Liabilities and Equity [Abstract] Other Commitments [Table] Other Commitments [Table] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Secured financing Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Secured Financing Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Secured Financing Mortgage loans held for sale Loan, Held-for-Sale, Measurement Input Trade name Trade Names [Member] Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair Value Measurements Fair Value Disclosures [Text Block] Gain on sale of loans, net Gain on sale of loans, net Gain (Loss) on Sales of Loans, Net Variable Interest Entity [Table] Variable Interest Entity [Table] Level 3 Fair Value, Inputs, Level 3 [Member] Unsecured Convertible Senior Notes Maturing Apr 01 2027 Unsecured Convertible Senior Notes Maturing Apr 01 2027 [Member] Unsecured Convertible Senior Notes Maturing Apr 01 2027 OAS Measurement Input, Option Adjusted Spread [Member] Measurement Input, Option Adjusted Spread Redemption percentage Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Redfin Corporation Redfin Corporation [Member] Redfin Corporation Accounts payable and other liabilities Accounts Payable and Accrued Liabilities PEO Name PEO Name Upfront payment Contract with Customer, Liability Directly attributable expenses Expense, Directly Attributable To Adjusted Revenue Expense, Directly Attributable To Adjusted Revenue Total Personal loan funding Personal Loan Funding Facilities [Member] Personal Loan Funding Facilities Model pricing Measurement Input, Model Pricing [Member] Measurement Input, Model Pricing Other assets Other Assets Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Total assets Transfers Accounted for as Secured Borrowings, Assets, Carrying Amount Mortgage Serving Rights Line Of Credit Maturing Jul 23 2027 Mortgage Serving Rights Line Of Credit Maturing Jul 23 2027 [Member] Mortgage Serving Rights Line Of Credit Maturing Jul 23 2027 Legal Entity [Axis] Legal Entity [Axis] Assets acquired Business Combination, Recognized Asset Acquired, Asset [Abstract] Liability Class [Axis] Liability Class [Axis] Other Commitments [Line Items] Other Commitments [Line Items] Revenue Recognition Revenue [Policy Text Block] Cash and cash equivalents and restricted cash, beginning of period Cash and cash equivalents and restricted cash, end of period Total cash, cash equivalents and restricted cash, end of period in the Condensed Consolidated Statements of Cash Flows Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Class L common shares Common Class L [Member] Common Class L Cash pledged to counterparties Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Personal loan funding Revolving Credit Facility and Security Agreement [Member] Revolving Credit Facility and Security Agreement Accounts payable Increase (Decrease) in Accounts Payable Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-mortgage loans held for sale Non-Mortgage Loans Held For Sale, Measurement Input Non-Mortgage Loans Held For Sale, Measurement Input Unpaid principal balance sold Servicing Assets, Unpaid Principal Balance Sold Servicing Assets, Unpaid Principal Balance Sold Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Mr. Cooper Group Inc Mr. Cooper Group Inc [Member] Mr. Cooper Group Inc Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Cash paid to settle term loan, accrued interest, and prepayment premium Payments to Acquire Businesses, Gross Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Salaries, commissions and team member benefits Labor and Related Expense Schedule of Funding Facilities Schedule of Debt [Table Text Block] Lease expense Related Party Transaction, Amounts of Transaction Basis of Presentation [Table] Basis Of Presentation [Table] Basis Of Presentation Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Schedule of Notional and Fair Values of Derivative Financial Instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Basic (in dollars per share) Earnings (loss) per share of Participating Common Stock outstanding - basic (in dollars per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Cost to Service per Loan Cost to Service per Loan [Abstract] Cost to Service per Loan Statistical Measurement [Axis] Statistical Measurement [Axis] Unsecured financing Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Unsecured Financing Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Unsecured Financing Insider Trading Arrangements [Line Items] Schedule of Net Hedging (Losses) Gains Derivative Instruments, Gain (Loss) [Table Text Block] Subscription contract, maximum (in years) Revenue Recognition, Customer Contract Period, Maximum Revenue Recognition, Customer Contract Period, Maximum Award Type [Axis] Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Loan servicing income, net Loan Servicing, Income (Loss) Loan Servicing, Income (Loss) Retained earnings Retained Earnings (Accumulated Deficit) MSRs financing, at fair value Mortgage Servicing Rights Liability Resulting from Sale of Servicer Advances, Rights not Accounted for as a Sale Mortgage Servicing Rights Liability Resulting from Sale of Servicer Advances, Rights not Accounted for as a Sale Product and Service [Axis] Product and Service [Axis] UPB of mortgage loans serviced Servicing Assets, Principal Value Of Loans Being Serviced Servicing Assets, Principal Value Of Loans Being Serviced Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Third-Party Holding Company Third-Party Holding Company [Member] Third-Party Holding Company Unsecured Redeemable Senior Notes Maturing Aug 01 2030 Unsecured Redeemable Senior Notes Maturing Aug 01 2030 [Member] Unsecured Redeemable Senior Notes Maturing Aug 01 2030 Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Early buy out financing Early Buy Out Financing [Member] Early Buy Out Financing Derivative Contract [Domain] Derivative Contract [Domain] Mortgage Mortgage Segment [Member] Mortgage Segment Equity Awards Adjustments Equity Awards Adjustments [Member] Unsecured Redeemable Senior Notes Maturing Oct 15 2033 Unsecured Redeemable Senior Notes Maturing Oct 15 2033 [Member] Unsecured Redeemable Senior Notes Maturing Oct 15 2033 IRLCs Derivative Financial Instruments, Assets [Member] Number of businesses acquired Business Combination, Number of Businesses Acquired Net purchase of MSRs Payments (Net Of Returns) To Acquire Mortgage Servicing Rights Payments (Net Of Returns) To Acquire Mortgage Servicing Rights Total liabilities and equity Liabilities and Equity Prepayment speeds Measurement Input, Prepayment Rate [Member] Stock options Share-Based Payment Arrangement, Option [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Non-controlling interest Equity, Attributable to Noncontrolling Interest Segments [Axis] Segments [Axis] Other liabilities Increase (Decrease) in Other Operating Liabilities Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Asset Class [Axis] Asset Class [Axis] Borrowings on Senior Notes Proceeds from Issuance of Senior Long-Term Debt Related Party [Domain] Related and Nonrelated Parties [Domain] Outstanding balance Secured Debt, Repurchase Agreements Schedule of Reconciliation of Changes in Mortgage Loans Held for Sale Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Master Repurchase Agreement Due November 26 2027 Master Repurchase Agreement Due November 26 2027 [Member] Master Repurchase Agreement Due November 26 2027 Tabular List, Table Tabular List [Table Text Block] MSR and advance facilities Mortgage Servicing Rights And Advance Facility [Member] Mortgage Servicing Rights And Advance Facility Additional paid-in capital Additional Paid in Capital Repayments of Senior Notes Repayments of Senior Debt Name Awards Close in Time to MNPI Disclosures, Individual Name Equity Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Unsecured Redeemable Senior Notes Maturing Feb 01 2032, First Unsecured Redeemable Senior Notes Maturing Feb 01 2032, First [Member] Unsecured Redeemable Senior Notes Maturing Feb 01 2032, First Pull-through probability Measurement Input, Pull-Through Probability [Member] Measurement Input, Pull-Through Probability Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] General and administrative expenses General and Administrative Expense Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Master Repurchase Agreement Due April 23 2027 Master Repurchase Agreement Due April 23 2027 [Member] Master Repurchase Agreement Due April 23 2027 Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, $0.00001 par value - 500,000,000 shares authorized as of June 30, 2026 and December 31, 2025, none issued and outstanding as of June 30, 2026 and December 31, 2025. Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Master Repurchase Agreement Due Sep 30 2027 Master Repurchase Agreement Due Sep 30 2027 [Member] Master Repurchase Agreement Due Sep 30 2027 Appraisal Revenue Appraisal Revenue [Member] Appraisal Revenue Class of Stock [Domain] Class of Stock [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Statement of Cash Flows [Abstract] Commitments to sell loans Other Commitment Issuance of Class A common stock under share-based compensation plans Stock Issued During Period, Value, Stock Compensation And Employee Benefit Plan Stock Issued During Period, Value, Stock Compensation And Employee Benefit Plan Assets Transfers Accounted For As Secured Borrowings, Assets [Abstract] Transfers Accounted For As Secured Borrowings, Assets Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total assets Assets, Fair Value Disclosure Sale of mortgage servicing rights holdback Noncash Transaction, Sale Of Mortgage Servicing Rights Holdback Noncash Transaction, Sale Of Mortgage Servicing Rights Holdback Mortgage Serving Rights Line of Credit Maturing Sep 30 2027 Mortgage Serving Rights Line Of Credit Maturing Sep 30 2027 [Member] Mortgage Serving Rights Line Of Credit Maturing Sep 30 2027 Name Measure Name Business Combination, Consideration Transferred, Equity Interest, Type [Domain] Business Combination, Consideration Transferred, Equity Interest, Type [Domain] Income Taxes Income Tax Disclosure [Text Block] Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Derivative assets, at fair value Derivative Asset Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Total consideration transferred Business Combination, Consideration Transferred Additional Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Servicing fees from loans sold Servicing Fees From Loans Sold, Amount Servicing Fees From Loans Sold, Amount Extension term (in months) Debt Instrument, Extension Term Debt Instrument, Extension Term Value of servicing (reflected as a % of pull-through adjusted UPB) Measurement Input, Value Of Servicing [Member] Measurement Input, Value Of Servicing Revision of Prior Period [Axis] Revision of Prior Period [Axis] Name Trading Arrangement, Individual Name Liabilities of the consolidated CFE Other Liabilities, Fair Value Disclosure Net (payments) borrowings on secured financing Proceeds from (Repayments of) Secured Debt Cash and cash equivalents Cash and Cash Equivalent 20% Adverse Change Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 20 Percent Adverse Change in Other Assumption Master Repurchase Agreement Due June 11 2027 Master Repurchase Agreement Due June 11 2027 1 [Member] Master Repurchase Agreement Due June 11 2027 1 Advance receivables, net Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Advances Receivables Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Advances Receivables Issuance of Class A common stock under share-based compensation plans (in shares) Stock Issued During Period, Shares, Stock Compensation And Employee Benefit Plan Stock Issued During Period, Shares, Stock Compensation And Employee Benefit Plan Accounts payable and Other liabilities Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed, Accounts Payable And Other Liabilities Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed, Accounts Payable And Other Liabilities Company Selected Measure Amount Company Selected Measure Amount Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] Unsecured Redeemable Senior Notes Maturing Aug 01 2033 Unsecured Redeemable Senior Notes Maturing Aug 01 2033 [Member] Unsecured Redeemable Senior Notes Maturing Aug 01 2033 Schedule of Reconciliation of Segment Contribution Margin to Combined U.S. GAAP Income (Loss) Before Taxes Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Table Text Block] Timing for review of agreement (in days) Debt Instrument, Time Frame For Review Of Agreement Debt Instrument, Time Frame For Review Of Agreement LPCs Loan Purchase Commitments [Member] Purchase of mortgage servicing rights holdback Noncash Transaction, Purchase Of Mortgage Servicing Rights Holdback Noncash Transaction, Purchase Of Mortgage Servicing Rights Holdback Share-based compensation, net (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Net income (loss) Net income (loss) Net income (loss) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Forward commitments Derivative Liability Total revenue, net Business Combination, Pro Forma Information, Pro Forma Revenue Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Mortgage Serving Rights Line Of Credit Maturing Jul 25 2027 Mortgage Serving Rights Line Of Credit Maturing Jul 25 2027 [Member] Mortgage Serving Rights Line Of Credit Maturing Jul 25 2027 (Provision for) benefit from income taxes Income tax expense (benefit) Income Tax Expense (Benefit) Mortgage Loans Held for Sale Mortgage loans held for sale Mortgage Loans Held For Sale [Member] Mortgage Loans Held For Sale Proceeds from sale of non-mortgage loans held for sale Proceeds from Sale, Loan, Other, Held-for-Sale Proceeds from sales of mortgage loans held for sale Financing Receivable, Held-for-Sale, Not Part of Disposal Group, Reconciliation to Cash Flow, Deduction from Held-for-Sale Award Timing Method Award Timing Method [Text Block] Consolidation Consolidation, Policy [Policy Text Block] Net increase in Cash and cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Advance receivables, net Increase (Decrease) In Advance Receivables, Net Increase (Decrease) In Advance Receivables, Net Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] Mortgage Servicing Rights and Related Liabilities Transfers and Servicing of Financial Assets [Text Block] Percentage of applicable tax savings payable per tax receivable agreement Tax Receivable Agreement, Percentage Of Applicable Tax Savings Payable To Related Party Tax Receivable Agreement, Percentage Of Applicable Tax Savings Payable To Related Party Net income (loss) attributable to Rocket Companies Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Unamortized issuance costs Unamortized Debt Issuance Expense Location, Statement of Financial Position, Balance [Axis] Location, Statement of Financial Position, Balance [Axis] Statement [Table] Statement [Table] Expenses not allocated to segments: Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Restatement Determination Date: Restatement Determination Date [Axis] Unamortized premium, net of unamortized discount Debt Instrument, Unamortized Premium Liabilities assumed Business Combination, Recognized Liability Assumed, Liability [Abstract] Third party fees Business Combination, Separately Recognized Transaction, Payoff Of Third Party Fees Business Combination, Separately Recognized Transaction, Payoff Of Third Party Fees Roosevelt Management Company LLC Roosevelt Management Company LLC [Member] Roosevelt Management Company LLC 10% Adverse Change Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 10 Percent Adverse Change in Other Assumption Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Average life Measurement Input, Average Life [Member] Measurement Input, Average Life Revenue Revenues [Abstract] Business, Basis of Presentation and Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract]